#cuando | slnt

Posts tagged “cuando”

Fifty-eight megabytes

August 15, 2026 Part 3 · Building Cuando

Eighteen months of drawing our map as pictures, and why Cuando is moving to vector: one 58.67 MB file instead of 15 GB per theme, a Flutter renderer that crashed, and three map engines behind one view in the new apps.

Paying per tile

February 22, 2025 Part 2 · Building Cuando

Every map decision in Cuando so far followed from how the map was billed. Six months of Mapbox, one week of vector tiles, a heatmap that decides how far you may zoom in, and, as of this week, a map we draw ourselves.

We made a bus app for Torrevieja. It asks one question

January 24, 2025 Part 1 · Building Cuando

Cuando is a bus app for Torrevieja, now on Google Play and the App Store. There was no data to start from, so we drew the network by hand: 163 stops, 16 lines, a stopwatch app and a lot of YAML. Here is how it works, and why a graph database lasted eight weeks.